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Today’s DealsThunderbolt 750
A 27.5″ aluminum frame full suspension trail bike with upper mid-range components.
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Manufacturer Price
$3,299| Weight | 29.4 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Full, 120 / 120mm |
| Fork | Fox Float 32 |
| Shock | Fox |
| Wheels | 27.5″ Aluminum |
| Drivetrain | 3 × 10 |
| Groupset | XT, SLX |
| Brakes | Shimano SLX Hydraulic Disc |
5'1" – 5'6"
5'4" – 5'9"
5'7" – 6'0"
5'10" – 6'3"
6'0" – 6'5"
🐐 Estimated
None yet.
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Summary
The Rocky Mountain Thunderbolt is a versatile trail bike praised for its efficient climbing, playful yet capable downhill performance, and comfortable all-day ride quality. Its balanced geometry and Smoothlink suspension system contribute to snappy handling and a smooth ride. While it excels on flowy singletrack and technical climbs, some riders may find it less suited for aggressive descents or prefer updates like tubeless-ready rims and a dropper post.
Efficient climbing and playful downhill performance
Comfortable for all-day rides
Balanced geometry and Smoothlink suspension for snappy handling
Versatile on flowy singletrack and technical climbs
Stiff and efficient hydroformed frame
Relatively heavy XC setup
Lack of tubeless-ready rims and dropper post in some models
May require active riding style on descents
the Thunderbolt is just right for weekend trips to places like the Kingdom Trails, and for my everyday local XC trails
Rocky Mountain claims they have optimized the design.
FAST AS LIGHTNING
The Thunderbolt has made my time climbing far more enjoyable than before
an electronic shifting 27.5-inch XC rig sure to draw both cheers and jeers
Feedback?
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May 2015 · McCoy
It’ll flow through any section of trail with the right amount of finesse and confidence

Jan 2015
The Rocky Mountain Thunderbolt proved itself as one of the most capable trail bikes in this year's Bible of Bike.

Oct 2014
“The Thunderbolt has made my time climbing far more enjoyable than before, and I get a small sense of satisfaction by simply cruising past people on the way up the hill with a smile and a wave…”
Sep 2014 · Don Palermini
Rocky Mountain’s Thunderbolt 799 MSL an electrifying XC rig with a shocking price tag. - Mtbr.com
Aug 2014 · Dirt HQ
Carbon continues to infiltrate every corner of the market, the latest to turn to the black stuff is Rocky Mountain Thunderbolt...

Aug 2014 · Charles Bryer
With shorter chainstays, a lower stand-over, additional adjustability and improved pivot technologies the new 2015 carbon Thunderbolt MSL is Rocky

Jul 2014 · John Herron
Over the last couple years the 27.5 shorter-travel (115-130mm) platform has been blurring the lines between XC and Trail categories. Rocky Mountain’s Thurnderbolt is designed to handle the rowdy side of XC riding, and is a capable setup for almost everything shy of Enduro racing. The aluminum frame has four available build specs, and I …

Feb 2014 · Danny Milner
Why the Rocky Mountain Thunderbolt is rejuvinating a brand
| Frame | FORM™ Alloy Custom Hydroformed Frame ABC™ Pivots Tapered Head Tube Press Fit BB Internal Cable Routing Internal \"Stealth\" Dropper Post Routing |
|---|---|
| Fork | Fox 32 Float 27.5 120 CTD Travel: 120mm Spring Type: Air |
| Shock | Fox Float CTD Custom Race Valved Travel: 120mm |
| Bottom Bracket | Race Face Team XC Press Fit |
| Headset | Cane Creek Ten Series: ZS44mm Top / ZS56mm Bottom Tapered |
| Stem | Race Face 6° x 70-90mm |
| Handlebar | Race Face Evolve 3/4 Rise Ø31.8mm x 725mm x 5° Sweep |
| Saddle | Rocky Mountain XC Light |
| Seatpost | Race Face 30.9mm x 375mm Type: Rigid |
| Grips | Rocky Mountain Lock On XC |
| Rear Derailleur | Shimano XT Shadow Direct Mount 10spd |
|---|---|
| Front Derailleur | Shimano SLX E Mount 3x10spd |
| Crank | Race Face Turbine 170-175mm 42/32/24T 10spd |
| Shifters | Shimano SLX Rapid Fire I-Spec 3x10spd |
| Cassette | Shimano HG62 11-36T 10spd |
| Chain | Shimano HG54 10spd |
| Brakes | Shimano SLX Hydraulic Disc 180/160mm Type: Shimano SLX Hydraulic Disc |
| Brake Levers | Shimano SLX I-Spec Shifter Mount |
| Rims | Wheeltech Inferno 23 by SUNringlé |
|---|---|
| Spokes | DT Swiss Competition |
| Front Hub | Shimano SLX / Centerlock / 32H / 15mm Axle |
| Rear Hub | Shimano SLX / Centerlock / 32H / 12 x 142mm Axle |
| Tires | Continental X King Folding 27.5\" x 2.2\" |
First added September 9
Last updated April 14
Not listed for 1,874 days